. Определите время и залог сказуемого 1. How long have you been testing that device? 2. He realized that chance had shown him the right way. 3. They spoke with a pretty English accent. 4. The room in which an aerial is installed is large.5. The students were not allowed to read different books at lessons.

1. How long have you been testing that device? (present perfect continuous - active )

2. He realized (past simple - active) that chance had shown him th e right way. (past perfect - active)

3. They spoke (past simple - active) with a pretty English accent. 

4. The room in which an aerial is installed (present simple - passive ) is large.

5. The students were not allowed (past simple - passive) to read different books at lessons.